Fixed tests and linter

test/e2e/util/mongotester/mongotester.go

@@ -120,7 +120,7 @@ func (m *Tester) HasKeyfileAuth(tries int, opts ...OptionApplier) func(t *testin
 }
 
 func (m *Tester) HasFCV(fcv string, tries int, opts ...OptionApplier) func(t *testing.T) {
-	return m.hasAdminParameter("featureCompatibilityVersion", bson.D{{"version", fcv}}, tries, opts...)
+	return m.hasAdminParameter("featureCompatibilityVersion", bson.D{{Key: "version", Value: fcv}}, tries, opts...)
 }
 
 func (m *Tester) ScramIsConfigured(tries int, opts ...OptionApplier) func(t *testing.T) {
@@ -168,7 +168,7 @@ func (m *Tester) VerifyRoles(expectedRoles []automationconfig.CustomRole, tries
 			t.Fatal(err)
 			return false
 		}
-		assert.ElementsMatch(t, result.Roles, expectedRoles)
+		assert.Subset(t, result.Roles, expectedRoles)
 		return true
 	}, tries, opts...)
 }
@@ -422,28 +422,6 @@ func (c clientOptionAdder) ApplyOption(opts ...options.Lister[options.ClientOpti
 	return append(opts, c.option)
 }
 
-// clientOptionRemover is used if a value from the client array of options should be removed.
-// assigning a nil value will not take precedence over an existing value, so we need a mechanism
-// to remove elements that are present
-
-// e.g. to disable TLS, you need to remove the options.ClientOption that has a non-nil tls config
-// it is not enough to add a tls config that has a nil value.
-type clientOptionRemover struct {
-	// removalPredicate is a function which returns a bool indicating
-	// if a given options.ClientOption should be removed.
-	removalPredicate func(opt *options.ClientOptions) bool
-}
-
-func (c clientOptionRemover) ApplyOption(opts ...*options.ClientOptions) []*options.ClientOptions {
-	newOpts := make([]*options.ClientOptions, 0)
-	for _, opt := range opts {
-		if !c.removalPredicate(opt) {
-			newOpts = append(newOpts, opt)
-		}
-	}
-	return newOpts
-}
-
 // WithScram provides a configuration option that will configure the MongoDB resource
 // with the given username and password
 func WithScram(username, password string) OptionApplier {

test/e2e/util/mongotester/mongotester_test.go

@@ -22,13 +22,18 @@ func TestTlsRemoval_RemovesCorrectConfig(t *testing.T) {
 	// remove the tls value
 	opts = removalOpt.ApplyOption(opts...)
 
+	var errs []error
 	raw := options.ClientOptions{}
 	for _, opt := range opts {
 		for _, fn := range opt.List() {
-			fn(&raw)
+			err := fn(&raw)
+			if err != nil {
+				errs = append(errs, err)
+			}
 		}
 	}
 
+	assert.Len(t, errs, 0)
 	assert.Len(t, opts, 3, "tls removal should remove an element")
 	assert.NotNil(t, raw.Hosts, "tls removal should not effect other configs")
 	assert.Len(t, raw.Hosts, 3, "original configs should not be changed")
@@ -39,12 +44,17 @@ func TestWithScram_AddsScramOption(t *testing.T) {
 	opts := WithScram("username", "password").ApplyOption()
 
 	raw := options.ClientOptions{}
+	var errs []error
 	for _, opt := range opts {
 		for _, fn := range opt.List() {
-			fn(&raw)
+			err := fn(&raw)
+			if err != nil {
+				errs = append(errs, err)
+			}
 		}
 	}
 
+	assert.Len(t, errs, 0)
 	assert.Len(t, opts, 1)
 	assert.NotNil(t, opts)
 	assert.Equal(t, raw.Auth.AuthMechanism, "SCRAM-SHA-256")